<?php

/**
 * @file
 * Contains the numeric argument validator plugin.
 */

/**
 * Validate whether an argument is numeric or not.
 *
 * @ingroup views_argument_validate_plugins
 */
class views_plugin_argument_validate_numeric extends views_plugin_argument_validate {

    var $option_name = 'validate_argument_numeric';

    /**
     * Only let users with PHP block visibility permissions set/modify this
     * validate plugin.
     */
    function access() {
        return !empty($this->argument->definition['numeric']);
    }

    function validate_argument($argument) {
        return is_numeric($argument);
    }

}

